michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_system_nsvolumemountlock_h__
michael@0: #define mozilla_system_nsvolumemountlock_h__
michael@0: 
michael@0: #include "nsIVolumeMountLock.h"
michael@0: 
michael@0: #include "mozilla/dom/WakeLock.h"
michael@0: #include "nsIObserver.h"
michael@0: #include "nsString.h"
michael@0: #include "nsTArray.h"
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsWeakReference.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace system {
michael@0: 
michael@0: /* The VolumeMountLock is designed so that it can be used in the Child or
michael@0:  * Parent process. While the VolumeMountLock object exists, then the
michael@0:  * VolumeManager/AutoMounter will prevent a mounted volume from being
michael@0:  * shared with the PC.
michael@0:  */
michael@0: 
michael@0: class nsVolumeMountLock MOZ_FINAL : public nsIVolumeMountLock,
michael@0:                                     public nsIObserver,
michael@0:                                     public nsSupportsWeakReference
michael@0: {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS
michael@0:   NS_DECL_NSIOBSERVER
michael@0:   NS_DECL_NSIVOLUMEMOUNTLOCK
michael@0: 
michael@0:   static already_AddRefed<nsVolumeMountLock> Create(const nsAString& volumeName);
michael@0: 
michael@0:   const nsString& VolumeName() const  { return mVolumeName; }
michael@0: 
michael@0: private:
michael@0:   nsVolumeMountLock(const nsAString& aVolumeName);
michael@0:   ~nsVolumeMountLock();
michael@0: 
michael@0:   nsresult Init();
michael@0: 
michael@0:   nsRefPtr<dom::WakeLock>  mWakeLock;
michael@0:   nsString                 mVolumeName;
michael@0:   int32_t                  mVolumeGeneration;
michael@0:   bool                     mUnlocked;
michael@0: };
michael@0: 
michael@0: } // namespace system
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif  // mozilla_system_nsvolumemountlock_h__